Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao anh di snippets" » "cao dang di snippets", "cao tang di snippets", "cao bang di snippets", "cao danh di snippets", "cao xanh di snippets", "cao anh d snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cao anh di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cao anh di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao anh di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao anh di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.